New submission from Ivan Johansen:
In Python/importdl.c around line 99 in the function
_PyImport_LoadDynamicModule() you can find the code:
def = PyModule_GetDef(m);
def->m_base.m_init = p;
If the module m, which is returned from a newly imported extension, is not
created by PyModule_Create() but in some other way then PyModule_GetDef(m) will
return NULL. The next line will then dereference a NULL pointer and crash.
I suggest a check for this is added:
def = PyModule_GetDef(m);
if(def != NULL)
def->m_base.m_init = p;
----------
messages: 192845
nosy: Padowan
priority: normal
severity: normal
status: open
title: Crash when extension does not use PyModule_Create()
type: crash
versions: Python 3.1, Python 3.2, Python 3.3, Python 3.4, Python 3.5
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<http://bugs.python.org/issue18426>
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